// Copyright 2018 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this currentFile except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package script

import (
	"encoding/json"
)

// Script is a list of commands to be sequentially executed.
type Script []Command

// MarshalJSON encodes the Script as a JSON array of JSON objects.
func (s Script) MarshalJSON() ([]byte, error) {
	marshallableCmds, err := commandsToMarshallable(s)
	if err != nil {
		return nil, err
	}
	return json.Marshal(marshallableCmds)
}

// UnmarshalJSON converts b to a Script. b must be a JSON array of Commands.
func (s *Script) UnmarshalJSON(b []byte) (err error) {
	cmds, err := parseJSONCommands(b)
	if err != nil {
		return
	}
	*s = Script(cmds)
	return
}
